29–39 years
|
54 (22)
|
196 (78)
|
41 (23)
|
139 (77)
|
BMI (kg/m2), mean (SD)
|
27.4 (6.3)
|
26.4 (6.3)
|
26.4 (4.8)
|
26.2 (3.9)
|
Leisure time physical activity
|
High intensity activities
|
1 (2)
|
6 (3)
|
2 (5)
|
12 (9)
|
Moderate intensity activities
|
10 (19)
|
43 (22)
|
14 (34)
|
43 (31)
|
Low intensity activities
|
29 (54)
|
114 (58)
|
17 (41)
|
57 (41)
|
Sedentary
|
14 (26)
|
33 (17)
|
8 (20)
|
27 (19)
|
Previous knee/hip injury
|
27 (50)
|
32 (16)
|
21 (51)
|
34 (24)
|
Previous knee/hip surgery
|
11 (20)
|
17 (9)
|
10 (24)
|
14 (10)
|
Family history of osteoarthritis
|
No
|
6 (11)
|
72 (37)
|
13 (32)
|
58 (42)
|
I don’t know
|
12 (22)
|
38 (19)
|
9 (22)
|
30 (22)
|
Yes
|
36 (67)
|
86 (44)
|
19 (46)
|
51 (37)
|
40–49 years
|
130 (28)
|
331 (72)
|
69 (20)
|
281 (80)
|
BMI (kg/m2), mean (SD)
|
29.1 (7.6)
|
26.1 (5.4)
|
28.5 (4.8)
|
27.0 (4.7)
|
Leisure time physical activity
|
High intensity activities
|
2 (2)
|
6 (2)
|
1 (1)
|
9 (3)
|
Moderate intensity activities
|
34 (26)
|
94 (28)
|
24 (35)
|
123 (44)
|
Low intensity activities
|
67 (52)
|
184 (56)
|
30 (43)
|
111 (40)
|
Sedentary
|
27 (21)
|
47 (14)
|
14 (20)
|
38 (14)
|
Previous knee/hip injury
|
61 (47)
|
49 (15)
|
35 (51)
|
65 (23)
|
Previous knee/hip surgery
|
24 (18)
|
29 (9)
|
19 (28)
|
45 (16)
|
Family history of osteoarthritis
|
No
|
29 (22)
|
128 (39)
|
18 (26)
|
138 (49)
|
I don’t know
|
22 (17)
|
53 (16)
|
15 (22)
|
42 (15)
|
Yes
|
79 (61)
|
150 (45)
|
36 (52)
|
101 (36)
|
50–59 years
|
245 (31)
|
541 (69)
|
190 (30)
|
444 (70)
|
BMI (kg/m2), mean (SD)
|
27.6 (5.1)
|
26.0 (5.1)
|
28.2 (4.7)
|
26.9 (4.0)
|
Leisure time physical activity
|
High intensity activities
|
2 (1)
|
9 (2)
|
2 (1)
|
14 (3)
|
Moderate intensity activities
|
47 (19)
|
121 (22)
|
57 (30)
|
153 (34)
|
Low intensity activities
|
161 (66)
|
351 (65)
|
105 (55)
|
222 (50)
|
Sedentary
|
35 (14)
|
60 (11)
|
26 (14)
|
55 (12)
|
Previous knee/hip injury
|
101 (41)
|
105 (19)
|
111 (58)
|
96 (22)
|
Previous knee/hip surgery
|
52 (21)
|
51 (9)
|
60 (32)
|
63 (14)
|
Family history of osteoarthritis
|
No
|
50 (20)
|
207 (38)
|
53 (28)
|
227 (51)
|
I don’t know
|
40 (16)
|
101 (19)
|
48 (25)
|
84 (19)
|
Yes
|
155 (63)
|
233 (43)
|
89 (47)
|
133 (30)
|